annapolis02
annapolis02
04-09-2016
Mathematics
contestada
what is a square root of (a-b)^2
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caylus
caylus
04-09-2016
Hello,
[tex] \sqrt{(a-b)^2}=|a-b| \\ = a-b\ if\ a \ \textgreater\ b \\ =b-a\ if\ a\ \textless \ b [/tex]
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